Joint compound trough



FIG. 1 is a perspective view of a joint compound trough showing my new design;

FIG. 2 is a side, elevational view thereof;

FIG. 3 is an end, elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for joint compound trough, as shown and described. 